phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('73a2137825d0a80b536b1bdcc6d4ec99', -1, 1566524584, 1566524584, '22cca94c', -9, 0, 0)

Line : 189
File : sessions.php